Unlock your full potential against the clock with the 2020 Canyon Speedmax CF 8.0 Di2, a triathlon bike that redefined value and performance in its era. Now available in a coveted X-Small size, this purpose-built machine is specifically engineered to bring the aerodynamic advantages of a world-class time trial bike to riders of smaller stature. Combining a race-proven carbon frameset with a complete Shimano Ultegra Di2 electronic groupset and the legendary DT Swiss ARC 1400 Dicut wheels, this Speedmax offers a breathtaking blend of speed, precision, and adjustability . If you’re a shorter athlete chasing personal bests or an Ironman finish line, this bike represents a rare opportunity to own a piece of Canyon’s engineering legacy.

Frame and Fork

Frame: The foundation of this bike is the Canyon Speedmax CF carbon frame . Engineered in Canyon’s wind tunnel and proven in competition, the frame features aggressively shaped aerodynamic tube profiles designed to minimize drag and cheat the wind. The carbon construction contributes to a lightweight and incredibly stiff platform, ensuring every watt of power is transferred directly into forward motion . A testament to its race-ready design, the frame weighs in at an impressively low figure, contributing to a complete bike weight of approximately 8.5 kg for a size medium . For the X-Small frame, the geometry is meticulously scaled to ensure a perfect fit for riders from approximately 158cm to 165cm (5’2″ to 5’5″) tall, a size range often overlooked in the triathlon world .
Fork: The matching Canyon F39 CF full-carbon fork is designed to seamlessly integrate with the frame’s aerodynamic philosophy . It provides precise, stable steering and features a direct-mount brake design to further clean up the front end’s wind profile.

Drivetrain

The drivetrain is a highlight, featuring a full, meticulously integrated Shimano Ultegra Di2 groupset.

Shifting: At the heart of the build is the Shimano Ultegra Di2 R8050 electronic 11-speed groupset . Shifting is instantaneous, silky-smooth, and always precise, even under the heaviest load. The system can be operated from multiple shift points: buttons on the Profile Design aero extensions for staying in a tuck, and secondary shifters on the base bar for climbing or technical sections . The system is powered by a centrally mounted Shimano BT-DN110 Di2 battery .
Rear Derailleur: The Shimano Ultegra Di2 R8050 SS rear derailleur features a Shadow design for a low profile and delivers crisp, reliable shifts across the cassette .
Front Derailleur: The Shimano Ultegra Di2 R8050 front derailleur provides fast and flawless trimming to eliminate chain rub in all gear combinations .
Crankset: Power is transferred through a stiff and efficient Shimano Ultegra R8000 crankset with a semi-compact 52/36T chainring combination, ideal for flat and rolling courses . For the X-Small frame, the crank arms are appropriately sized at 170mm to ensure an optimal and comfortable pedaling fit for smaller riders .
Cassette & Chain: A wide-ranging Shimano Ultegra R8000 11-30T 11-speed cassette provides the gearing needed to spin up steeper inclines while maintaining a high speed on the flats, all paired with a durable Shimano HG701 chain .

Brakes

Stopping power is provided by Shimano Ultegra R8010 direct-mount caliper brakes . This integrated design not only improves modulation and power but also enhances the bike’s aerodynamic profile by tucking the brakes neatly behind the fork and seat tube. As a 2020 model, it features rim brakes; reviewers note that while effective, upgrading to disc brakes on a modern bike can offer even more control, particularly in variable conditions .

Cockpit and Finishing Kit

Integrated Cockpit: The Speedmax features a fully integrated cockpit designed for maximum adjustability and aerodynamics. It comprises the Canyon V21 stem and the Canyon H30 Flat CF carbon base bar .
Aerobars: The adjustable Profile Design Subsonic Race 35a aero bars allow for fine-tuning of pad stack and reach to achieve the perfect, most efficient triathlon position .
Seatpost: The proprietary Canyon S31 TRI CF carbon seatpost features a “Fliphead” technology, allowing for precise and easy adjustment of saddle setback to fine-tune the fit .
Saddle: Contact point comfort is handled by a Fizik Mistica saddle, specifically designed for the aggressive triathlon position to provide support and pressure relief during long rides .
Storage: A cleverly integrated storage box is located on the top tube, providing a handy, aerodynamic space for energy gels, a CO2 cartridge, or a multi-tool .

Wheels and Tires

Wheelset: The bike rolls on an exceptional DT Swiss ARC 1400 Dicut wheelset, a choice that underscores the incredible value of this build . These are full-carbon, aero-optimized wheels with a rim depth that slices through the air. The front wheel features a shallower profile for stable handling in crosswinds, while the deeper rear wheel maximizes aerodynamic advantage. They are praised for looking and performing like a high-end upgrade .
Tires: It is fitted with a fast-rolling combination of Continental Grand Prix 5000 tires (23mm front, 25mm rear), renowned for their low rolling resistance and excellent grip .

Sizing: The “X-Small” Fit

This X-Small model is a rare and essential find for smaller riders seeking a proper triathlon fit.

Rider Height: Designed to fit riders approximately 158cm to 165cm (5’2″ to 5’5″) tall .
Key Geometry (Size XS): The bike features a steep 80.5° seat tube angle, which places the rider’s hips directly over the bottom bracket for optimal power transfer and run-friendly biomechanics . The reach is a compact 397mm and the stack is a low 481mm, allowing a smaller rider to achieve an aggressive, aerodynamic position without being overstretched .

Why This Bike?

The 2020 Canyon Speedmax CF 8.0 Di2 represents a high-water mark for value in the triathlon world. It offers a no-compromise package that was, and still is, a benchmark for speed . For the X-Small rider, it solves the perennial problem of finding a high-performance aero bike that actually fits, offering a scaled geometry that places the athlete in the correct position to harness the bike’s full potential. It’s a “versatile triathlon bike” that is “incredibly fast yet comparatively affo